Follow-ups could last several years.

后续访问可能需要持续数年。

youdao

That should last several years at least, and maybe a lot longer.

那应该会持续至少几年，也许更长时间。

youdao

In the last several years, scientists have begun to confirm these ideas.

在过去的几年中，科学家们开始验证这些说法。

youdao

"There's actually, in the last several years, been convincing evidence that replacing saturated fat in one's diet with carbohydrates has very little effect on heart disease.

VOA: standard.2010.03.25

How come these have risen above infectious diseases over the last several hundred years?

在过去的几百年中,它们的致死率是如何超过感染性疾病的的

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"If you look at the large studies, that were published over the last several years, including a large number of patients comparing Avandia to a placebo or other drugs, there was actually no increase in that risk.

VOA: standard.2010.03.02

What were they -- what was happening to them over the last several years?

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He also talked about his battle with prostate cancer over the last several years.

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Crown, for example, has looked at "hundreds" of business plans over the last several years.

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